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Energy drink-induced cardiomyopathy
  1. Gracie Fisk1,
  2. Matthew Hammond-Haley1 and
  3. Andrew D'Silva1,2
  1. 1 Department of Cardiology and Division of Cardiovascular Sciences, Guy's and St Thomas' NHS Foundation Trust, St Thomas' Hospital, London, UK
  2. 2 School of Cardiovascular Medicine and Sciences, King’s College London, London, UK
  1. Correspondence to Dr Andrew D'Silva; adsilva{at}nhs.net

Abstract

We report a case of severe biventricular heart failure potentially related to excessive energy drink consumption in a 21-year-old man. The patient presented with a 4-month history of shortness of breath on exertion, orthopnoea and weight loss. Transthoracic echocardiography demonstrated severely impaired biventricular systolic function and bilateral ventricular thrombi, subsequently confirmed on cardiac magnetic resonance imaging, which found in addition no oedema, inflammation or focal fibrosis. Blood tests, renal ultrasound and subsequent abdominal MRI demonstrated severe renal failure caused by a chronic obstructive uropathy, long-standing and previously undiagnosed. There was no significant past medical, family or social history other than excessive intake of an energy drink. This case report adds to the growing concern in the literature about the potential cardiotoxic effects of energy drinks, which should be considered when assessing young patients presenting with a non-ischaemic dilated cardiomyopathy.

  • heart failure
  • cardiovascular medicine

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Footnotes

  • GF and MH-H contributed equally.

  • Contributors GF and MH-H contributed equally to the paper by co-drafting the original manuscript. ADS provided critical review, addition of figures and videos and edited the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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